Brake Line Nut and Adapter Kit
A comprehensive brake line nut and adapter kit covering the fitting sizes, thread standards, and adapters needed for brake line repair and fabrication across domestic and import vehicles. Whether you're replacing a rotted line, splicing in a new section, or converting between thread standards, this kit gives your shop the hardware to complete the job without hunting for individual fittings.
What's Included
- Brake line tube nuts — multiple SAE and metric thread sizes for domestic and import applications
- Brake line adapters — for connecting lines with different thread standards or fitting types
- Covers the most common brake line fitting combinations encountered in vehicle repair and fabrication
Specifications
| Application | Brake line repair, fabrication, and thread conversion |
| Fitting types | Tube nuts and adapters — SAE and metric |
| Compatible vehicles | Domestic and import passenger vehicles and light trucks |
| SKU | BLN-KIT-1 |
Best For
- Brake and chassis shops — brake line repairs call for exact tube nut matches; having the right fitting on the shelf eliminates back-order delays on a safety-critical repair
- Restoration shops — replacing or fabricating brake lines on older domestic and import vehicles often requires sourcing both SAE and metric fittings in the same job
- Fleet maintenance operations — mixed fleets with both domestic and import vehicles benefit from a single kit that covers the most common brake line thread combinations
- Mobile brake specialists — a self-contained kit reduces the number of individual part numbers that need to be stocked in a service vehicle
About Brake Line Fittings and Thread Standards
Brake line fittings use two primary thread standards in the North American market: SAE 45° inverted flare, used on most domestic vehicles, and ISO/metric bubble flare, common on European and many Japanese imports. The tube nuts that secure the flared line end to its fitting must match both the tube outer diameter and the thread type of the port they're connecting to.
Common domestic sizes include 3/16" and 1/4" OD tubing; common metric sizes include 4.75mm. Adapters allow connecting lines of different thread standards — useful when replacing a section of line or integrating a proportioning valve, hard line, or distribution block that uses a different fitting standard than the original system.
Questions about which fittings apply to your vehicle or application? Contact us — we can help identify the right combination before you order.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with a quarterly restock cadence and custom pricing — contact us
Brake Line Nut and Adapter Kit
A comprehensive brake line nut and adapter kit covering the fitting sizes, thread standards, and adapters needed for brake line repair and fabrication across domestic and import vehicles. Whether you're replacing a rotted line, splicing in a new section, or converting between thread standards, this kit gives your shop the hardware to complete the job without hunting for individual fittings.
What's Included
- Brake line tube nuts — multiple SAE and metric thread sizes for domestic and import applications
- Brake line adapters — for connecting lines with different thread standards or fitting types
- Covers the most common brake line fitting combinations encountered in vehicle repair and fabrication
Specifications
| Application | Brake line repair, fabrication, and thread conversion |
| Fitting types | Tube nuts and adapters — SAE and metric |
| Compatible vehicles | Domestic and import passenger vehicles and light trucks |
| SKU | BLN-KIT-1 |
Best For
- Brake and chassis shops — brake line repairs call for exact tube nut matches; having the right fitting on the shelf eliminates back-order delays on a safety-critical repair
- Restoration shops — replacing or fabricating brake lines on older domestic and import vehicles often requires sourcing both SAE and metric fittings in the same job
- Fleet maintenance operations — mixed fleets with both domestic and import vehicles benefit from a single kit that covers the most common brake line thread combinations
- Mobile brake specialists — a self-contained kit reduces the number of individual part numbers that need to be stocked in a service vehicle
About Brake Line Fittings and Thread Standards
Brake line fittings use two primary thread standards in the North American market: SAE 45° inverted flare, used on most domestic vehicles, and ISO/metric bubble flare, common on European and many Japanese imports. The tube nuts that secure the flared line end to its fitting must match both the tube outer diameter and the thread type of the port they're connecting to.
Common domestic sizes include 3/16" and 1/4" OD tubing; common metric sizes include 4.75mm. Adapters allow connecting lines of different thread standards — useful when replacing a section of line or integrating a proportioning valve, hard line, or distribution block that uses a different fitting standard than the original system.
Questions about which fittings apply to your vehicle or application? Contact us — we can help identify the right combination before you order.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with a quarterly restock cadence and custom pricing — contact us
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
A comprehensive brake line nut and adapter kit covering the fitting sizes, thread standards, and adapters needed for brake line repair and fabrication across domestic and import vehicles. Whether you're replacing a rotted line, splicing in a new section, or converting between thread standards, this kit gives your shop the hardware to complete the job without hunting for individual fittings.
What's Included
- Brake line tube nuts — multiple SAE and metric thread sizes for domestic and import applications
- Brake line adapters — for connecting lines with different thread standards or fitting types
- Covers the most common brake line fitting combinations encountered in vehicle repair and fabrication
Specifications
| Application | Brake line repair, fabrication, and thread conversion |
| Fitting types | Tube nuts and adapters — SAE and metric |
| Compatible vehicles | Domestic and import passenger vehicles and light trucks |
| SKU | BLN-KIT-1 |
Best For
- Brake and chassis shops — brake line repairs call for exact tube nut matches; having the right fitting on the shelf eliminates back-order delays on a safety-critical repair
- Restoration shops — replacing or fabricating brake lines on older domestic and import vehicles often requires sourcing both SAE and metric fittings in the same job
- Fleet maintenance operations — mixed fleets with both domestic and import vehicles benefit from a single kit that covers the most common brake line thread combinations
- Mobile brake specialists — a self-contained kit reduces the number of individual part numbers that need to be stocked in a service vehicle
About Brake Line Fittings and Thread Standards
Brake line fittings use two primary thread standards in the North American market: SAE 45° inverted flare, used on most domestic vehicles, and ISO/metric bubble flare, common on European and many Japanese imports. The tube nuts that secure the flared line end to its fitting must match both the tube outer diameter and the thread type of the port they're connecting to.
Common domestic sizes include 3/16" and 1/4" OD tubing; common metric sizes include 4.75mm. Adapters allow connecting lines of different thread standards — useful when replacing a section of line or integrating a proportioning valve, hard line, or distribution block that uses a different fitting standard than the original system.
Questions about which fittings apply to your vehicle or application? Contact us — we can help identify the right combination before you order.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with a quarterly restock cadence and custom pricing — contact us
